126342407 has 8 divisors (see below), whose sum is σ = 130839840. Its totient is φ = 121923360.

The previous prime is 126342401. The next prime is 126342413. The reversal of 126342407 is 704243621.

It is an interprime number because it is at equal distance from previous prime (126342401) and next prime (126342413).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126342407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126342407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126342401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16307 + ... + 22772.

It is an arithmetic number, because the mean of its divisors is an integer number (16354980).

Almost surely, 2^126342407 is an apocalyptic number.

126342407 is a deficient number, since it is larger than the sum of its proper divisors (4497433).

126342407 is an equidigital number, since it uses as much as digits as its factorization.

126342407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39193.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 126342407 is about 11240.2138324856. The cubic root of 126342407 is about 501.7835066439.

The spelling of 126342407 in words is "one hundred twenty-six million, three hundred forty-two thousand, four hundred seven".